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Message-ID: <BAY102-W36F626DC7163EA2665F561802C0@phx.gbl> Date: 2009-07-03T19:43:26Z From: sk lai Subject: Does any one know how to program difference-in-difference in panel data with R-program ? An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-sig-finance/attachments/20090703/3fcb1f59/attachment.pl>